Earthquake with magnitude of ML 1.9 on date 29-02-2020 and time 08:53:51 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.9 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 29-02-2020 07:53:51 (UTC)
  • 29-02-2020 08:53:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2440, 8.8860 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km N of Varese (80799 inhabitants)
51 Km NW of Como (84495 inhabitants)
65 Km N of Gallarate (53343 inhabitants)
70 Km N of Busto Arsizio (83106 inhabitants)
72 Km N of Legnano (60262 inhabitants)
79 Km NW of Monza (122671 inhabitants)
80 Km NW of Cinisello Balsamo (75078 inhabitants)
80 Km N of Rho (50434 inhabitants)
84 Km NW of Sesto San Giovanni (81608 inhabitants)
86 Km NW of Bergamo (119381 inhabitants)
90 Km N of Milano (1345851 inhabitants)
91 Km N of Novara (104380 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.9 2020-02-29
07:53:51
46.2442 8.886 11 2020-07-18
21:08:27
Bollettino Sismico Italiano INGV 77503731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-29 07:53:51 ± 0.09
Latitude 46.2442 ± 0.0027
Longitude 8.8860 ± 0.0065
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77503731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 311
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.26085
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 77503731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-23 14:43:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2020-02-29T07:55:41.68 3.0 undecidable manual Sn 1.46 0
IV.FOSV.EHZ. 2020-02-29T07:55:40.15 3.0 undecidable manual Sn 0.17 0
IV.OSSC.HNZ. 2020-02-29T07:55:35.03 3.0 undecidable manual Sg 15.58 0
IV.RIBO.EHZ.01 2020-02-29T07:55:34.68 3.0 undecidable manual Sn 4.39 0
IV.VVLD.HHZ. 2020-02-29T07:55:33.46 3.0 undecidable manual Pg 20.27 0
IV.IMOL.HNZ. 2020-02-29T07:55:23.95 3.0 undecidable manual Sg 15.25 0
IV.MMUR.HNZ. 2020-02-29T07:54:59.80 3.0 undecidable manual Pn 7.21 0
IV.BLLA.EHZ. 2020-02-29T07:54:47.95 3.0 negative manual Pn 5.78 0
ST.CARE.EHZ. 2020-02-29T07:54:31.16 0.3 undecidable manual S 81 139.9488 90 -0.45 56
ST.RONC.EHZ. 2020-02-29T07:54:30.92 0.6 undecidable manual S 102 136.7631 90 0.17 40
IV.MABI.HHZ. 2020-02-29T07:54:27.78 0.3 undecidable manual S 99 126.873 90 -0.33 60
IV.EUCT.HNZ. 2020-02-29T07:54:23.30 3.0 undecidable manual S -4 0
CH.DAVOX.HHZ. 2020-02-29T07:54:20.05 0.6 undecidable manual S 52 96.4257 90 0.07 45
CH.PLONS.HHZ. 2020-02-29T07:54:19.37 0.3 undecidable manual S 23 96.9252 90 -0.75 54
CH.BNALP.HHZ. 2020-02-29T07:54:15.20 0.6 undecidable manual S 333 77.8665 90 0.16 46
ST.CARE.EHZ. 2020-02-29T07:54:15.10 0.1 undecidable manual P 81 139.9488 90 0.31 78
ST.RONC.EHZ. 2020-02-29T07:54:14.68 0.1 undecidable manual P 102 136.7631 90 0.39 77
IV.MABI.HHZ. 2020-02-29T07:54:13.15 0.1 undecidable manual P 99 126.873 90 0.39 78
CH.MMK.HHN. 2020-02-29T07:54:13.78 0.6 undecidable manual S 253 74.0703 90 -0.24 45
CH.FUORN.HHZ. 2020-02-29T07:54:10.97 0.1 undecidable manual P 68 113.2977 90 0.3 83
IT.LEC.HGN. 2020-02-29T07:54:09.94 0.1 undecidable manual S 136 58.6968 90 0.02 96
CH.PLONS.HHZ. 2020-02-29T07:54:08.51 0.1 negative manual P 23 96.9252 90 0.36 85
CH.DAVOX.HHZ. 2020-02-29T07:54:08.21 0.1 undecidable manual P 52 96.4257 90 0.14 88
CH.BERNI.HHZ. 2020-02-29T07:54:06.93 0.1 undecidable manual P 77 89.1441 90 -0.02 91
IV.MDI.HHZ. 2020-02-29T07:54:06.21 0.1 undecidable manual P 129 82.8504 90 0.23 88
CH.BNALP.HHZ. 2020-02-29T07:54:05.40 0.1 undecidable manual P 333 77.8665 90 0.19 91
IV.VARE.HHZ. 2020-02-29T07:54:05.39 0.1 undecidable manual S 192 42.7239 90 -0.26 96
MN.TUE.HHZ. 2020-02-29T07:54:04.72 0.3 undecidable manual S 54 43.4232 90 -1.13 51
CH.MUGIO.HHZ. 2020-02-29T07:54:03.86 0.3 undecidable manual S 161 37.7289 90 -0.46 70
CH.MMK.HHN. 2020-02-29T07:54:03.85 0.1 undecidable manual P 253 74.0703 90 -0.77 76
IT.LEC.HGN. 2020-02-29T07:54:02.61 0.1 undecidable manual P 136 58.6968 90 0.35 90
CH.FUSIO.HHZ. 2020-02-29T07:54:01.92 0.6 undecidable manual S 324 28.9488 90 -0.06 50
IV.VARE.HHZ. 2020-02-29T07:54:00.12 0.1 positive manual P 192 42.7239 90 0.32 93
CH.MUGIO.HHZ. 2020-02-29T07:53:59.05 0.1 undecidable manual P 161 37.7289 90 0.03 100
MN.TUE.HHZ. 2020-02-29T07:53:59.84 0.1 positive manual P 54 43.4232 90 -0.07 98
CH.FUSIO.HHZ. 2020-02-29T07:53:57.48 0.1 negative manual P 324 28.9488 90 -0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUSIO.HHE. ML:2.2 0.0008075000000000001 0.24 AML other m 2020-02-29T07:54:02.23
CH.FUSIO.HHN. ML:1.8 0.0003015 1 AML other m 2020-02-29T07:54:02.35
CH.MUGIO.HHN. ML:1.9 0.00031 1.56 AML other m 2020-02-29T07:54:04.94
CH.MUGIO.HHE. ML:2.0 0.00036199999999999996 0.82 AML other m 2020-02-29T07:54:04.46
MN.TUE.HHN. ML:2.0 0.00028349999999999995 0.1 AML other m 2020-02-29T07:54:05.70
MN.TUE.HNN. ML:1.9 0.00027100000000000003 0.12 AML other m 2020-02-29T07:54:05.65
MN.TUE.HHE. ML:1.6 0.000131 1.14 AML other m 2020-02-29T07:54:05.73
MN.TUE.HNE. ML:1.6 0.000132 1.16 AML other m 2020-02-29T07:54:05.74
IV.VARE.HHN. ML:2.2 0.000444 0.28 AML other m 2020-02-29T07:54:06.21
IV.VARE.HHE. ML:2.2 0.000507 1.14 AML other m 2020-02-29T07:54:06.71
CH.BNALP.HHE. ML:1.9 0.00010300000000000001 1 AML other m 2020-02-29T07:54:15.29
CH.BNALP.HHN. ML:1.6 0.0000528 0.44 AML other m 2020-02-29T07:54:17.71
CH.BERNI.HHN. ML:1.9 0.00008925 0.22 AML other m 2020-02-29T07:54:19.73
CH.BERNI.HHE. ML:1.8 0.0000819 1.28 AML other m 2020-02-29T07:54:20.71
CH.PLONS.HHE. ML:2.0 0.0001026 0.56 AML other m 2020-02-29T07:54:20.37
CH.PLONS.HHN. ML:1.9 0.0000809 0.46 AML other m 2020-02-29T07:54:21.53
IV.MDI.HHN. ML:1.9 0.00009359999999999998 0.52 AML other m 2020-02-29T07:54:22.13
IV.MDI.HHE. ML:1.9 0.00009365000000000001 0.14 AML other m 2020-02-29T07:54:22.26
CH.DAVOX.HHE. ML:2.1 0.0001237 0.54 AML other m 2020-02-29T07:54:23.35
CH.DAVOX.HHN. ML:2.2 0.00016999999999999999 0.64 AML other m 2020-02-29T07:54:24.97
IV.MABI.HHN. ML:1.9 0.000057050000000000004 0.56 AML other m 2020-02-29T07:54:30.41
IV.MABI.HHE. ML:1.6 0.000030400000000000004 1 AML other m 2020-02-29T07:54:31.32
ST.RONC.EHN. ML:2.5 0.000177 0.66 AML other m 2020-02-29T07:54:32.08
ST.RONC.EHE. ML:2.4 0.000146 0.18 AML other m 2020-02-29T07:54:34.04
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download